package org.tomcat.unit3;

import javax.servlet.*;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Parameter;
import java.util.*;

public class HttpRequest implements ServletRequest {

    private InputStream input;

    private  String uri;

    private String method;

    private String protocol;

    private String requestURI;

    private String queryString;

    private String requestedSessionId;

    private boolean requestedSessionURL;

    protected  Map<String, String> headers = new HashMap();

    protected List cookies = new ArrayList();

    protected Map parameters = new HashMap();


    public HttpRequest(InputStream input) {
        this.input = input;
    }

    public String getUri() {
        return this.uri;
    }

    public void parse() {
        StringBuffer request = new StringBuffer(2048);
        int i = 0;
        byte[] buffer = new byte[2048];
        try {
            i = input.read(buffer);
        } catch (IOException e) {
            e.printStackTrace();
        }
        for (int j = 0; j < i; j++) {
            request.append((char) buffer[j]);
        }
        System.out.print(request.toString());
        uri = parseUri(request.toString());
    }

    private String parseUri(String requestString) {
        int index1, index2;
        index1 = requestString.indexOf(' ');
        if (index1 != -1) {
            index2 = requestString.indexOf(' ', index1 +1);
            if (index2 > index1) {
                return  requestString.substring(index1 + 1, index2);
            }
        }
        return null;
    }

    @Override
    public Object getAttribute(String s) {
        return null;
    }

    @Override
    public Enumeration<String> getAttributeNames() {
        return null;
    }

    @Override
    public String getCharacterEncoding() {
        return null;
    }

    @Override
    public void setCharacterEncoding(String s) throws UnsupportedEncodingException {

    }

    @Override
    public int getContentLength() {
        return 0;
    }

    @Override
    public String getContentType() {
        return null;
    }

    @Override
    public ServletInputStream getInputStream() throws IOException {
        return null;
    }

    @Override
    public String getParameter(String s) {
        return null;
    }

    @Override
    public Enumeration<String> getParameterNames() {
        return null;
    }

    @Override
    public String[] getParameterValues(String s) {
        return new String[0];
    }

    @Override
    public Map<String, String[]> getParameterMap() {
        return null;
    }

    @Override
    public String getProtocol() {
        return null;
    }

    @Override
    public String getScheme() {
        return null;
    }

    @Override
    public String getServerName() {
        return null;
    }

    @Override
    public int getServerPort() {
        return 0;
    }

    @Override
    public BufferedReader getReader() throws IOException {
        return null;
    }

    @Override
    public String getRemoteAddr() {
        return null;
    }

    @Override
    public String getRemoteHost() {
        return null;
    }

    @Override
    public void setAttribute(String s, Object o) {

    }

    @Override
    public void removeAttribute(String s) {

    }

    @Override
    public Locale getLocale() {
        return null;
    }

    @Override
    public Enumeration<Locale> getLocales() {
        return null;
    }

    @Override
    public boolean isSecure() {
        return false;
    }

    @Override
    public RequestDispatcher getRequestDispatcher(String s) {
        return null;
    }

    @Override
    public String getRealPath(String s) {
        return null;
    }

    @Override
    public int getRemotePort() {
        return 0;
    }

    @Override
    public String getLocalName() {
        return null;
    }

    @Override
    public String getLocalAddr() {
        return null;
    }

    @Override
    public int getLocalPort() {
        return 0;
    }

    @Override
    public ServletContext getServletContext() {
        return null;
    }

    @Override
    public AsyncContext startAsync() throws IllegalStateException {
        return null;
    }

    @Override
    public AsyncContext startAsync(ServletRequest servletRequest, ServletResponse servletResponse) throws IllegalStateException {
        return null;
    }

    @Override
    public boolean isAsyncStarted() {
        return false;
    }

    @Override
    public boolean isAsyncSupported() {
        return false;
    }

    @Override
    public AsyncContext getAsyncContext() {
        return null;
    }

    @Override
    public DispatcherType getDispatcherType() {
        return null;
    }

    public String getQueryString() {
        return queryString;
    }

    public void setQueryString(String queryString) {
        this.queryString = queryString;
    }

    public String getRequestedSessionId() {
        return requestedSessionId;
    }

    public void setRequestedSessionId(String requestedSessionId) {
        this.requestedSessionId = requestedSessionId;
    }

    public boolean isRequestedSessionURL() {
        return requestedSessionURL;
    }

    public void setRequestedSessionURL(boolean requestedSessionURL) {
        this.requestedSessionURL = requestedSessionURL;
    }

    public String getMethod() {
        return method;
    }

    public void setMethod(String method) {
        this.method = method;
    }

    public String getRequestURI() {
        return requestURI;
    }

    public void setRequestURI(String requestURI) {
        this.requestURI = requestURI;
    }

    public void setProtocol(String protocol) {
        this.protocol = protocol;
    }

    public InputStream getInput() {
        return input;
    }

    public void setInput(InputStream input) {
        this.input = input;
    }

    public Map getParameters() {
        return parameters;
    }

    public void setParameters(HashMap parameters) {
        this.parameters = parameters;
    }

    public Map getHeaders() {
        return headers;
    }

    public void setHeaders(Map headers) {
        this.headers = headers;
    }
}
